标签： ProSpec CYT-1172

CLI, AAG4, KUB1, SGP2, SGP-2, SP-40, TRPM2, MGC24903, Clusterin, Apolipoprotein J, Apo-J.

Clusterin also known as Apolipoprotein J is a 75-80 kD disulfide-linked heterodimeric protein containing about 30% of N-linked carbohydrate rich in sialic acid but truncated forms targeted to the nucleus have also been identified.
The precursor polypeptide chain is cleaved proteolytically to remove the 22-mer secretory signal peptide and subsequently between residues 227/228 to generate the a and b chains. These are assembled in anti-parallel to give a heterodimeric molecule in which the cysteine-rich centers are linked by 5 disulfide bridges and are flanked by 2 predicted coiled-coil a-helices and 3 predicted amphipathic a-helices.
Across a broad range of species clusterin shows a high degree of sequence homology ranging from 70% -80%. It is nearly ubiquitously expressed in most mammalian tissues and can be found in plasma, milk, urine, cerebrospinal fluid and semen.
It is able to bind and form complexes with numerous partners such as immunoglobulins, lipids, heparin, bacteria, complement components, paraoxonase, beta amyloid, leptin and others. Clusterin has been ascribed a plethora of functions such as phagocyte recruitment, aggregation induction, complement attack prevention, apoptosis inhibition, membrane remodeling, lipid transport, hormone transport and/or scavenging, matrix metalloproteinase inhibition.
Clusterin is up/down regulated on the mRNA or protein level in many pathological and clinically relevant situations including cancer, organ regeneration, infection, Alzheimer disease, retinitis pigmentosa, myocardial infarction, renal tubular damage, autoimmunity and others.

Clusterin 也称为载脂蛋白 J，是一种 75-80 kD 二硫键连接的异二聚体蛋白，含有约 30% 的富含唾液酸的 N 连接碳水化合物，但也已鉴定出靶向细胞核的截短形式。
前体多肽链被蛋白水解切割以去除 22-mer 分泌信号肽，随后在残基 227/228 之间生成 a 和 b 链。这些以反平行方式组装得到异二聚体分子，其中富含半胱氨酸的中心通过 5 个二硫键连接，两侧为 2 个预测的卷曲螺旋 a-螺旋和 3 个预测的两亲性 a-螺旋。
在广泛的物种中，clusterin 显示出高度序列同源性，范围从 70%-80%。它几乎在大多数哺乳动物组织中普遍表达，可以在血浆、乳汁、尿液、脑脊液和精液中找到。
它能够与免疫球蛋白、脂质、肝素、细菌、补体成分、对氧磷酶、β淀粉样蛋白、瘦素等众多伙伴结合并形成复合物。凝聚素被赋予了过多的功能，例如吞噬细胞募集、聚集诱导、补体攻击预防、细胞凋亡抑制、膜重塑、脂质转运、激素转运和/或清除、基质金属蛋白酶抑制。
在包括癌症、器官再生、感染、阿尔茨海默病、色素性视网膜炎、心肌梗塞、肾小管损伤、自身免疫等在内的许多病理和临床相关情况下，Clusterin 的 mRNA 或蛋白质水平上调/下调。

Clusterin Mouse Recombinant is a single, glycosylated polypeptide chain containing 433 amino acids and having a molecular mass of 50.2kDa . Clusterin is fused to a 6 a.a His tag at C-terminal.

Clusterin Mouse Recombinant 是一个单一的糖基化多肽链，包含 433 个氨基酸，分子量为 50.2kDa。 Clusterin 在 C 端与 6 a.a His 标签融合。

HEK293

Filtered White lyophilized powder.

Clusterin filtered and lyophilized from 0.5mg/ml in 20 mM Tris buffer and 50 mM NaCl, pH 7.5.

It is recommended to add deionized water to prepare a working stock solution of approximately 0.5mg/ml and let the lyophilized pellet dissolve completely.

建议加入去离子水配制约 0.5mg/ml 的工作原液，让冻干颗粒完全溶解。

Store lyophilized protein at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.

将冻干蛋白储存在 -20°C。 重组后分装产品以避免重复的冷冻/解冻循环。 重组蛋白可在 4°C 下保存一段时间； 在 4°C 下两周后它没有显示任何变化。

Greater than 90.0% as determined by -PAGE.

EQEVSDNELQ ELSTQGSRYI NKEIQNAVQG VKHIKTLIEK TNAERKSLLN SLEEAKKKKE DALEDTRDSE MKLKAFPEVC NETMMALWEE CKPCLKHTCM KFYARVCRSG SGLVGQQLEE FLNQSSPFYF WMNGDRIDSL LESDRQQSQV LDAMQDSFAR ASGIIDTLFQ DRFFARELHD PHYFSPIGFP HKRPHFLYPK SRLVRSLMSP SHYGPPSFHN MFQPFFEMIH QAQQAMDVQL HSPAFQFPDV DFLREGEDDR TVCKEIRRNS TGCLKMKGQC EKCQEILSVD CSTNNPAQAN LRQELNDSLQ VAERLTEQYK ELLQSFQSKM LNTSSLLEQL NDQFNWVSQL ANLTQGEDKY YLRVSTVTTH SEVPSRV TEVVVKLFDS DPITVVLPEE VSKDNPKFMD TVAEKALQEY RRKSRAEHHH HHH

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